Chlorine

Chlorine is (at room temperature) a greenish-yellow gas that can be readily liquefied at 5170 Tarr or 6.8 atmospheres, at 20 C (68 F), and has a very disagreeable odor. Its Element Symbol is Cl, atomic number is 17, and atomic mass is 35.453. Chlorine’s melting point is -101 C or 149.8 F. The boiling…

GAS ATTACKS AT YPRES “I have never been in a battle — and I have been in many — where the men were suffering in such numbers that their crying and groaning could be heard all over the battlefield.” Anonymous Soldier Canada’s first major battle in the war, near ancient city of Ypres in Belgium…